Up/Downgrades

New York, November 26th (TradersHuddle.com) - Following are some of the upgrades and downgrades before the market open. Aeropostale (NYSE: ARO) was downgraded to a Neutral at Janney Capital Markets.

Ball Corp (NYSE: BLL) was downgraded to a Hold at Deutsche Bank.

Barclays PLC (NYSE: BCS) was upgraded to Overweight at JPMorgan.

Broadcom (NASDAQ: BRCM) was upgraded to a Buy at The Benchmark Company.

Chicos's FAS (NYSE: CHS) was downgraded to Market Perform at FBR Capital.

Crown Holdings (NYSE: CCK) was downgraded to a Hold at Deutsche Bank.

Exelon (NYSE: EXC) was upgraded to a Buy at Deutsche Bank.

Facebook (NASDAQ: FB) was upgraded to Outperform at Bernstein.

Knight Capital Group (NYSE: KCG) was upgraded to Market Perform at Keefe Bruyette.

Lockheed Martin (NYSE: LMT) was upgraded to Outperform at Bernstein.

McDonald's (NYSE: MCD) was downgraded to a Neutral at Lazard.

Research In Motion (NASDAQ: RIMM) was upgraded to Sector Outperform at CIBC World Markets.

Tenet Healthcare (NYSE: THC) was downgraded to a Neutral at Robert W. Baird.

Yahoo! (NASDAQ: YHOO) was upgraded to a Conviction Buy at Goldman Sachs.